102233213210021 has 2 divisors, whose sum is σ = 102233213210022. Its totient is φ = 102233213210020.

The previous prime is 102233213209993. The next prime is 102233213210087. The reversal of 102233213210021 is 120012312332201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53713434813025 + 48519778396996 = 7328945^2 + 6965614^2 .

It is a cyclic number.

It is not a de Polignac number, because 102233213210021 - 2¹⁴ = 102233213193637 is a prime.

It is a super-2 number, since 2×102233213210021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102233213210521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51116606605010 + 51116606605011.

It is an arithmetic number, because the mean of its divisors is an integer number (51116606605011).

Almost surely, 2^{102233213210021} is an apocalyptic number.

It is an amenable number.

102233213210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102233213210021 is an equidigital number, since it uses as much as digits as its factorization.

102233213210021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102233213210021 its reverse (120012312332201), we get a palindrome (222245525542222).

The spelling of 102233213210021 in words is "one hundred two trillion, two hundred thirty-three billion, two hundred thirteen million, two hundred ten thousand, twenty-one".